/*
 * Copyright (c) 2003-2010, Live Media Pty. Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice, this list of
 *     conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice, this list of
 *     conditions and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *  3. Neither the name of Live Media nor the names of its contributors may be used to endorse
 *     or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.colony.container.simple;

import java.util.HashMap;

import com.argot.TypeException;
import com.argot.TypeLibrary;
import com.argot.remote.MetaLocation;
import com.argot.remote.MetaObject;
import com.colony.ColonyException;
import com.colony.IContainer;

public class SimpleContainer 
implements IContainer
{
	private TypeLibrary _library;
	private HashMap _objectList;
	
	public SimpleContainer( TypeLibrary library )
	{
		_library = library;
		_objectList = new HashMap();
	}
	
	public TypeLibrary getTypeLibrary()
	{
		return _library;
	}
	
	public void addObject( MetaObject metaObject, Object object )
	{
		if ( !(metaObject.getLocation() instanceof SimpleLocation) )
		{
			return;
		}

		SimpleLocation sLoc = (SimpleLocation) metaObject.getLocation();
		
		SimpleData data = new SimpleData( metaObject, object );
		_objectList.put( new Integer( sLoc.getIndex() ), data );		
	}
	
	public void addObject( MetaLocation location, String type, Object o ) 
	throws ColonyException 
	{
		if ( !(location instanceof SimpleLocation) )
		{
			return;
		}
	
		SimpleLocation sLoc = (SimpleLocation) location;
		int typeId;
		
		try
		{
			typeId = _library.getTypeId( type );
		}
		catch (TypeException e)
		{
			throw new ColonyException("failed to add Object",e);
		}
		
		MetaObject metaObject = new MetaObject( sLoc, typeId);
		addObject( metaObject, o);
	}
	
	public Object getObject(MetaLocation location) 
	{
		if ( !(location instanceof SimpleLocation) )
		{
			// throw new BadParameter or ObjectNotFound?
			return null;
		}
		
		SimpleLocation sLocation = (SimpleLocation) location;
		
		int index = sLocation.getIndex();
		SimpleData data = (SimpleData) _objectList.get( new Integer(index));
		if ( data == null ) 
		{
			// throw new ObjectNotFound?
			return null;
		}
		
		return data.getObject();
	}
		
	private class SimpleData
	{
		private MetaObject _data;
		private Object _object;

		public SimpleData( MetaObject data, Object obj )
		{
			_data = data;
			_object = obj;
		}
		
		public Object getObject()
		{
			return _object;
		}
		
		public MetaObject getData()
		{
			return _data;
		}
		
	}

}
